Home / 66,895.52-92,138.45-49,845.11

Finding the Fourth Proportional to 66,895.52, 92,138.45 and 49,845.11

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Solution

The fourth proportional to 66,895.52, 92,138.45 and 49,845.11 is: 68,654.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,895.52 : 92,138.45 = 49,845.11 : x
  2. Step 2: Convert to fraction form
    66,895.52/92,138.45 = 49,845.11/x
  3. Step 3: Cross multiply
    66,895.52x = 92,138.45 × 49,845.11
  4. Step 4: Simplify right side
    66,895.52x = 4,592,650,465.56
  5. Step 5: Solve for x
    x = 4,592,650,465.56/66,895.52
  6. Step 6: Final answer
    x = 68,654.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.